7243272 has 48 divisors (see below), whose sum is σ = 20299500. Its totient is φ = 2330496.

The previous prime is 7243267. The next prime is 7243277. The reversal of 7243272 is 2723427.

It is an interprime number because it is at equal distance from previous prime (7243267) and next prime (7243277).

It can be written as a sum of positive squares in 2 ways, for example, as 6625476 + 617796 = 2574^2 + 786^2 .

It is not an unprimeable number, because it can be changed into a prime (7243277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354 + ... + 3822.

Almost surely, 2^7243272 is an apocalyptic number.

7243272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7243272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10149750).

7243272 is an abundant number, since it is smaller than the sum of its proper divisors (13056228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7243272 is a wasteful number, since it uses less digits than its factorization.

7243272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510 (or 3503 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 7243272 is about 2691.3327553463. The cubic root of 7243272 is about 193.4839439435.

Adding to 7243272 its reverse (2723427), we get a palindrome (9966699).

The spelling of 7243272 in words is "seven million, two hundred forty-three thousand, two hundred seventy-two".